Features Delivers HIGH OUTPUT™ 12.0 Ah power in a 30% smaller size and 20% lighter. Supercharges to 80% in 35 minutes with the M18™ Super Charger Dual Bay Simultaneous Rapid Charger, 45 minutes for a full charge. COOL-CYCLE™: Active cooling system provides high-speed cooling for less downtime. REDLITHIUM™ FORGE™ delivers the most power, fastest charging and longest life within REDLITHIUM™. Longest life for the most recharges and best performance over the life of the battery, with the best protection against job site, weather, and environmental conditions. Increased runtime in demanding applications. Resistant housing designed for improved protection against oils, chemicals, and greases. Improved fuel gauge with readability in direct sunlight. REDLINK™ intelligence: Our battery circuitry provides optimised performance and overload protection through total system communication between tool, battery, and charger. Compatible with all M18™ tools. Specifications Capacity: 8 Ah Voltage: 18 V Battery Type: Li-Ion System: M18 Weight: 1.08 kg